This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression ... (Read 75 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression for the least kinetic energy it could have, expressed in eV?
 
  What will be an ideal response?

Question 2

Approximately what mass ratio is required for a rocket to leave the Earth's gravity?
 
  A) 60
  B) 99
  C) 25
  D) 39


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raenoj

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

3.8 eV

Answer to Question 2

D


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Gracias!

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Harland and colleagues discovered the morphogen noggin using expression cloning. Harland and colleagues discovered the morphogen noggin using expression cloning.
Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used ... Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used ...
How to write a quadratic expression of a shaded area How to write a quadratic expression of a shaded area
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell
Anatomy of the Spinal Cord: Cross Section Through the Spinal Cord in the Cervical Region Anatomy of the Spinal Cord: Cross Section Through the Spinal Cord in the Cervical Region
The trpL attenuator region mRNA transcript The trpL attenuator region mRNA transcript
Video: DNA close up Animation

For a complete list of videos, visit our video library